The smallest member of our four-stroke family of off-road motorcycles. The TT-R90E.Air-cooled, 89cc, 4-stroke engine puts out smooth, reliable power perfectly suited to the smaller novice rider.Convenient electric start. A smooth-shifting, 3-speed transmission with automatic clutch (designed to ease the beginner into the basics of shifting) helps make riding simpler.CD ignition system delivers hot, reliable spark and requires minimal maintenance.A low, 24.6" seat height provides handling-enhancing low center-of-gravity and allows most riders to put both feet down for added confidence.